package com.thinkbiganalytics.feedmgr.nifi;

/*-
 * #%L
 * thinkbig-feed-manager-controller
 * %%
 * Copyright (C) 2017 ThinkBig Analytics
 * %%
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *     http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * #L%
 */

/**
 * Listener that can subscribe to the {@link NifiConnectionService} to get notified when NiFi is up or down
 */
public interface NifiConnectionListener {

    /**
     * called when Kylo makes connection to NiFi
     */
    void onNiFiConnected();

    /**
     * Called when Kylo looses connection to NiFi
     */
    void onNiFiDisconnected();

}
